Hello, Thank you for contacting us at Ask a Doctor . I will try to answer your questions the best of my ability. I have reviewed your questions, and it is certainly possible that you have a so-called costochondritis. The other possibility would be a simple intercostal muscle strain in the same region. If you not have any swelling present then this is very unlikely to be something like a hernia. Also, spleen problems do not present in this way, and so this would also be very unlikely. I think at this time it will be sensible to avoid any lifting. You can certainly take over-the-counter remedies such as ibuprofen or Tylenol if it is particularly painful. A local application of ice in the form of a bag of crushed ice applied for about 10 min. 4 or 5 times a day, would certainly help. I would continue with this approach for the next 5-7 days. If after this time, your symptoms are worse or you have developed any new symptoms I would certainly consult with your primary care physician. At this time I do not see the need for further tests or x-rays, et cetera. I feel confident that this condition will settle in due course. I hope this information is helpful. Please not hesitate to contact me again if you have any further questions. Best wishes, Adrian Rawlinson, M.D.